/**
  ******************************************************************************
    @file    stm32f1xx_hal_i2c.h
    @author  MCD Application Team
    @version V1.0.0
    @date    15-December-2014
    @brief   Header file of I2C HAL module.
  ******************************************************************************
    @attention

    <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>

    Redistribution and use in source and binary forms, with or without modification,
    are permitted provided that the following conditions are met:
      1. Redistributions of source code must retain the above copyright notice,
         this list of conditions and the following disclaimer.
      2. Redistributions in binary form must reproduce the above copyright notice,
         this list of conditions and the following disclaimer in the documentation
         and/or other materials provided with the distribution.
      3. Neither the name of STMicroelectronics nor the names of its contributors
         may be used to endorse or promote products derived from this software
         without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  ******************************************************************************
*/

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F1xx_HAL_I2C_H
#define __STM32F1xx_HAL_I2C_H

#ifdef __cplusplus
extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal_def.h"

/** @addtogroup STM32F1xx_HAL_Driver
    @{
*/

/** @addtogroup I2C
    @{
*/

/* Exported types ------------------------------------------------------------*/
/** @defgroup I2C_Exported_Types I2C Exported Types
    @{
*/

/** @defgroup I2C_Configuration_Structure_definition I2C Configuration Structure definition
    @brief  I2C Configuration Structure definition
    @{
*/
typedef struct {
    uint32_t ClockSpeed;       /*!< Specifies the clock frequency.
                                  This parameter must be set to a value lower than 400kHz */

    uint32_t DutyCycle;        /*!< Specifies the I2C fast mode duty cycle.
                                  This parameter can be a value of @ref I2C_duty_cycle_in_fast_mode */

    uint32_t OwnAddress1;      /*!< Specifies the first device own address.
                                  This parameter can be a 7-bit or 10-bit address. */

    uint32_t AddressingMode;   /*!< Specifies if 7-bit or 10-bit addressing mode is selected.
                                  This parameter can be a value of @ref I2C_addressing_mode */

    uint32_t DualAddressMode;  /*!< Specifies if dual addressing mode is selected.
                                  This parameter can be a value of @ref I2C_dual_addressing_mode */

    uint32_t OwnAddress2;      /*!< Specifies the second device own address if dual addressing mode is selected
                                  This parameter can be a 7-bit address. */

    uint32_t GeneralCallMode;  /*!< Specifies if general call mode is selected.
                                  This parameter can be a value of @ref I2C_general_call_addressing_mode */

    uint32_t NoStretchMode;    /*!< Specifies if nostretch mode is selected.
                                  This parameter can be a value of @ref I2C_nostretch_mode */

} I2C_InitTypeDef;

/**
    @}
*/

/** @defgroup HAL_state_structure_definition HAL state structure definition
    @brief  HAL State structure definition
    @{
*/

typedef enum {
    HAL_I2C_STATE_RESET             = 0x00,  /*!< I2C not yet initialized or disabled         */
    HAL_I2C_STATE_READY             = 0x01,  /*!< I2C initialized and ready for use           */
    HAL_I2C_STATE_BUSY              = 0x02,  /*!< I2C internal process is ongoing             */
    HAL_I2C_STATE_BUSY_TX           = 0x12,  /*!< Data Transmission process is ongoing        */
    HAL_I2C_STATE_BUSY_RX           = 0x22,  /*!< Data Reception process is ongoing           */
    HAL_I2C_STATE_MEM_BUSY_TX       = 0x32,  /*!< Memory Data Transmission process is ongoing */
    HAL_I2C_STATE_MEM_BUSY_RX       = 0x42,  /*!< Memory Data Reception process is ongoing    */
    HAL_I2C_STATE_TIMEOUT           = 0x03,  /*!< I2C timeout state                           */
    HAL_I2C_STATE_ERROR             = 0x04   /*!< I2C error state                             */

} HAL_I2C_StateTypeDef;

/**
    @}
*/

/** @defgroup I2C_handle_Structure_definition I2C handle Structure definition
    @brief  I2C handle Structure definition
    @{
*/
typedef struct {
    I2C_TypeDef*                Instance;  /*!< I2C registers base address     */

    I2C_InitTypeDef            Init;       /*!< I2C communication parameters   */

    uint8_t*                    pBuffPtr;  /*!< Pointer to I2C transfer buffer */

    uint16_t                   XferSize;   /*!< I2C transfer size              */

    __IO uint16_t              XferCount;  /*!< I2C transfer counter           */

    DMA_HandleTypeDef*          hdmatx;    /*!< I2C Tx DMA handle parameters   */

    DMA_HandleTypeDef*          hdmarx;    /*!< I2C Rx DMA handle parameters   */

    HAL_LockTypeDef            Lock;       /*!< I2C locking object             */

    __IO HAL_I2C_StateTypeDef  State;      /*!< I2C communication state        */

    __IO uint32_t              ErrorCode;  /* I2C Error code                   */

} I2C_HandleTypeDef;
/**
    @}
*/

/**
    @}
*/
/* Exported constants --------------------------------------------------------*/

/** @defgroup I2C_Exported_Constants I2C Exported Constants
    @{
*/

/** @defgroup I2C_Error_Codes I2C Error Codes
    @{
*/

#define HAL_I2C_ERROR_NONE      ((uint32_t)0x00)    /*!< No error             */
#define HAL_I2C_ERROR_BERR      ((uint32_t)0x01)    /*!< BERR error           */
#define HAL_I2C_ERROR_ARLO      ((uint32_t)0x02)    /*!< ARLO error           */
#define HAL_I2C_ERROR_AF        ((uint32_t)0x04)    /*!< AF error             */
#define HAL_I2C_ERROR_OVR       ((uint32_t)0x08)    /*!< OVR error            */
#define HAL_I2C_ERROR_DMA       ((uint32_t)0x10)    /*!< DMA transfer error   */
#define HAL_I2C_ERROR_TIMEOUT   ((uint32_t)0x20)     /*!< Timeout error        */

/**
    @}
*/



/** @defgroup I2C_duty_cycle_in_fast_mode I2C Duty Cycle
    @{
*/
#define I2C_DUTYCYCLE_2                 ((uint32_t)0x00000000)
#define I2C_DUTYCYCLE_16_9              I2C_CCR_DUTY
/**
    @}
*/

/** @defgroup I2C_addressing_mode I2C addressing mode
    @{
*/
#define I2C_ADDRESSINGMODE_7BIT         ((uint32_t)0x00004000)
#define I2C_ADDRESSINGMODE_10BIT        (I2C_OAR1_ADDMODE | ((uint32_t)0x00004000))
/**
    @}
*/

/** @defgroup I2C_dual_addressing_mode I2C dual addressing mode
    @{
*/
#define I2C_DUALADDRESS_DISABLE         ((uint32_t)0x00000000)
#define I2C_DUALADDRESS_ENABLE          I2C_OAR2_ENDUAL
/**
    @}
*/

/** @defgroup I2C_general_call_addressing_mode I2C general call addressing mode
    @{
*/
#define I2C_GENERALCALL_DISABLE         ((uint32_t)0x00000000)
#define I2C_GENERALCALL_ENABLE          I2C_CR1_ENGC
/**
    @}
*/

/** @defgroup I2C_nostretch_mode I2C nostretch mode
    @{
*/
#define I2C_NOSTRETCH_DISABLE           ((uint32_t)0x00000000)
#define I2C_NOSTRETCH_ENABLE            I2C_CR1_NOSTRETCH
/**
    @}
*/

/** @defgroup I2C_Memory_Address_Size I2C Memory Address Size
    @{
*/
#define I2C_MEMADD_SIZE_8BIT            ((uint32_t)0x00000001)
#define I2C_MEMADD_SIZE_16BIT           ((uint32_t)0x00000010)
/**
    @}
*/

/** @defgroup I2C_Interrupt_configuration_definition I2C Interrupt configuration definition
    @{
*/
#define I2C_IT_BUF                      I2C_CR2_ITBUFEN
#define I2C_IT_EVT                      I2C_CR2_ITEVTEN
#define I2C_IT_ERR                      I2C_CR2_ITERREN
/**
    @}
*/

/** @defgroup I2C_Flag_definition I2C Flag definition
    @brief I2C Interrupt definition
              - 0001XXXX  : Flag control mask for SR1 Register
              - 0010XXXX  : Flag control mask for SR2 Register
    @{
*/
#define I2C_FLAG_SMBALERT               ((uint32_t)0x00018000)
#define I2C_FLAG_TIMEOUT                ((uint32_t)0x00014000)
#define I2C_FLAG_PECERR                 ((uint32_t)0x00011000)
#define I2C_FLAG_OVR                    ((uint32_t)0x00010800)
#define I2C_FLAG_AF                     ((uint32_t)0x00010400)
#define I2C_FLAG_ARLO                   ((uint32_t)0x00010200)
#define I2C_FLAG_BERR                   ((uint32_t)0x00010100)
#define I2C_FLAG_TXE                    ((uint32_t)0x00010080)
#define I2C_FLAG_RXNE                   ((uint32_t)0x00010040)
#define I2C_FLAG_STOPF                  ((uint32_t)0x00010010)
#define I2C_FLAG_ADD10                  ((uint32_t)0x00010008)
#define I2C_FLAG_BTF                    ((uint32_t)0x00010004)
#define I2C_FLAG_ADDR                   ((uint32_t)0x00010002)
#define I2C_FLAG_SB                     ((uint32_t)0x00010001)
#define I2C_FLAG_DUALF                  ((uint32_t)0x00100080)
#define I2C_FLAG_SMBHOST                ((uint32_t)0x00100040)
#define I2C_FLAG_SMBDEFAULT             ((uint32_t)0x00100020)
#define I2C_FLAG_GENCALL                ((uint32_t)0x00100010)
#define I2C_FLAG_TRA                    ((uint32_t)0x00100004)
#define I2C_FLAG_BUSY                   ((uint32_t)0x00100002)
#define I2C_FLAG_MSL                    ((uint32_t)0x00100001)
#define I2C_FLAG_MASK                   ((uint32_t)0x0000FFFF)
/**
    @}
*/

/**
    @}
*/

/* Exported macros -----------------------------------------------------------*/

/** @defgroup I2C_Exported_Macros I2C Exported Macros
    @{
*/

/** @brief Reset I2C handle state
    @param  __HANDLE__: specifies the I2C Handle.
    @retval None
*/
#define __HAL_I2C_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_I2C_STATE_RESET)

/** @brief  Enable the specified I2C interrupts.
    @param  __HANDLE__: specifies the I2C Handle.
    @param  __INTERRUPT__: specifies the interrupt source to enable.
            This parameter can be one of the following values:
               @arg I2C_IT_BUF: Buffer interrupt enable
               @arg I2C_IT_EVT: Event interrupt enable
               @arg I2C_IT_ERR: Error interrupt enable
    @retval None
*/
#define __HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__)   (SET_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)))

/** @brief  Disable the specified I2C interrupts.
    @param  __HANDLE__: specifies the I2C Handle.
    @param  __INTERRUPT__: specifies the interrupt source to disable.
            This parameter can be one of the following values:
               @arg I2C_IT_BUF: Buffer interrupt enable
               @arg I2C_IT_EVT: Event interrupt enable
               @arg I2C_IT_ERR: Error interrupt enable
    @retval None
*/
#define __HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__)  (CLEAR_BIT((__HANDLE__)->Instance->CR2, (__INTERRUPT__)))

/** @brief  Checks if the specified I2C interrupt source is enabled or disabled.
    @param  __HANDLE__: specifies the I2C Handle.
    @param  __INTERRUPT__: specifies the I2C interrupt source to check.
             This parameter can be one of the following values:
               @arg I2C_IT_BUF: Buffer interrupt enable
               @arg I2C_IT_EVT: Event interrupt enable
               @arg I2C_IT_ERR: Error interrupt enable
    @retval The new state of __INTERRUPT__ (TRUE or FALSE).
*/
#define __HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->CR2 & (__INTERRUPT__)) == (__INTERRUPT__)) ? SET : RESET)

/** @brief  Checks whether the specified I2C flag is set or not.
    @param  __HANDLE__: specifies the I2C Handle.
    @param  __FLAG__: specifies the flag to check.
            This parameter can be one of the following values:
               @arg I2C_FLAG_SMBALERT: SMBus Alert flag
               @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag
               @arg I2C_FLAG_PECERR: PEC error in reception flag
               @arg I2C_FLAG_OVR: Overrun/Underrun flag
               @arg I2C_FLAG_AF: Acknowledge failure flag
               @arg I2C_FLAG_ARLO: Arbitration lost flag
               @arg I2C_FLAG_BERR: Bus error flag
               @arg I2C_FLAG_TXE: Data register empty flag
               @arg I2C_FLAG_RXNE: Data register not empty flag
               @arg I2C_FLAG_STOPF: Stop detection flag
               @arg I2C_FLAG_ADD10: 10-bit header sent flag
               @arg I2C_FLAG_BTF: Byte transfer finished flag
               @arg I2C_FLAG_ADDR: Address sent flag
                                   Address matched flag
               @arg I2C_FLAG_SB: Start bit flag
               @arg I2C_FLAG_DUALF: Dual flag
               @arg I2C_FLAG_SMBHOST: SMBus host header
               @arg I2C_FLAG_SMBDEFAULT: SMBus default header
               @arg I2C_FLAG_GENCALL: General call header flag
               @arg I2C_FLAG_TRA: Transmitter/Receiver flag
               @arg I2C_FLAG_BUSY: Bus busy flag
               @arg I2C_FLAG_MSL: Master/Slave flag
    @retval The new state of __FLAG__ (TRUE or FALSE).
*/
#define __HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__) ((((uint8_t)((__FLAG__) >> 16)) == 0x01)?((((__HANDLE__)->Instance->SR1) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)): \
        ((((__HANDLE__)->Instance->SR2) & ((__FLAG__) & I2C_FLAG_MASK)) == ((__FLAG__) & I2C_FLAG_MASK)))

/** @brief  Clears the I2C pending flags which are cleared by writing 0 in a specific bit.
    @param  __HANDLE__: specifies the I2C Handle.
    @param  __FLAG__: specifies the flag to clear.
            This parameter can be any combination of the following values:
               @arg I2C_FLAG_SMBALERT: SMBus Alert flag
               @arg I2C_FLAG_TIMEOUT: Timeout or Tlow error flag
               @arg I2C_FLAG_PECERR: PEC error in reception flag
               @arg I2C_FLAG_OVR: Overrun/Underrun flag (Slave mode)
               @arg I2C_FLAG_AF: Acknowledge failure flag
               @arg I2C_FLAG_ARLO: Arbitration lost flag (Master mode)
               @arg I2C_FLAG_BERR: Bus error flag
    @retval None
*/
#define __HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)  (__HANDLE__)->Instance->SR1 = (((__HANDLE__)->Instance->SR1) & (~((__FLAG__) & I2C_FLAG_MASK)))

/** @brief  Clears the I2C ADDR pending flag.
    @param  __HANDLE__: specifies the I2C Handle.
    @retval None
*/
#define __HAL_I2C_CLEAR_ADDRFLAG(__HANDLE__) \
    do{                                         \
        __IO uint32_t tmpreg;                    \
        tmpreg = (__HANDLE__)->Instance->SR1;    \
        tmpreg = (__HANDLE__)->Instance->SR2;    \
        UNUSED(tmpreg);                          \
    }while(0)

/** @brief  Clears the I2C STOPF pending flag.
    @param  __HANDLE__: specifies the I2C Handle.
    @retval None
*/
#define __HAL_I2C_CLEAR_STOPFLAG(__HANDLE__)               \
    do{                                                        \
        __IO uint32_t tmpreg;                                  \
        tmpreg = (__HANDLE__)->Instance->SR1;                  \
        tmpreg = (__HANDLE__)->Instance->CR1 |= I2C_CR1_PE;    \
        UNUSED(tmpreg);                                        \
    }while(0)

/** @brief  Enable the specified I2C peripheral.
    @param  __HANDLE__: specifies the I2C Handle.
    @retval None
*/
#define __HAL_I2C_ENABLE(__HANDLE__)                             (SET_BIT((__HANDLE__)->Instance->CR1,  I2C_CR1_PE))

/** @brief  Disable the specified I2C peripheral.
    @param  __HANDLE__: specifies the I2C Handle.
    @retval None
*/
#define __HAL_I2C_DISABLE(__HANDLE__)                            (CLEAR_BIT((__HANDLE__)->Instance->CR1, I2C_CR1_PE))

/**
    @}
*/

/* Exported functions --------------------------------------------------------*/
/** @addtogroup I2C_Exported_Functions
    @{
*/

/** @addtogroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions
    @{
*/

/* Initialization/de-initialization functions  ********************************/
HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef* hi2c);
HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MspInit(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c);

/**
    @}
*/

/** @addtogroup I2C_Exported_Functions_Group2 Input and Output operation functions
    @{
*/

/* IO operation functions  ****************************************************/

/******* Blocking mode: Polling */
HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData, uint16_t Size,
        uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData, uint16_t Size,
        uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                    uint16_t MemAddSize, uint8_t* pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                   uint16_t MemAddSize, uint8_t* pData, uint16_t Size, uint32_t Timeout);
HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint32_t Trials,
                                        uint32_t Timeout);

/******* Non-Blocking mode: Interrupt */
HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData,
        uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData,
        uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                       uint16_t MemAddSize, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                      uint16_t MemAddSize, uint8_t* pData, uint16_t Size);

/******* Non-Blocking mode: DMA */
HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData,
        uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint8_t* pData,
        uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef* hi2c, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                        uint16_t MemAddSize, uint8_t* pData, uint16_t Size);
HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef* hi2c, uint16_t DevAddress, uint16_t MemAddress,
                                       uint16_t MemAddSize, uint8_t* pData, uint16_t Size);
/**
    @}
*/

/** @addtogroup IRQ_Handler_and_Callbacks IRQ Handler and Callbacks
    @{
*/
/******* I2C IRQHandler and Callbacks used in non blocking modes (Interrupt and DMA) */
void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef* hi2c);
void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef* hi2c);
void HAL_I2C_ErrorCallback(I2C_HandleTypeDef* hi2c);

/**
    @}
*/


/** @addtogroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions
    @{
*/

/* Peripheral State and Errors functions  *************************************/
HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef* hi2c);
uint32_t             HAL_I2C_GetError(I2C_HandleTypeDef* hi2c);

/**
    @}
*/

/**
    @}
*/

/* Private constants ---------------------------------------------------------*/
/** @defgroup I2C_Private_Constants I2C Private Constants
    @{
*/
#define I2C_STANDARD_MODE_MAX_CLK ((uint32_t)100000) /* Standard Clock Up to 100kHz */
#define I2C_FAST_MODE_MAX_CLK     ((uint32_t)400000) /* Fast Clock up to 400kHz */
/**
    @}
*/

/* Private macros ------------------------------------------------------------*/
/** @defgroup I2C_Private_Macro I2C Private Macros
    @{
*/
#define IS_I2C_ADDRESSING_MODE(ADDRESS) (((ADDRESS) == I2C_ADDRESSINGMODE_7BIT) || \
        ((ADDRESS) == I2C_ADDRESSINGMODE_10BIT))

#define IS_I2C_DUAL_ADDRESS(ADDRESS) (((ADDRESS) == I2C_DUALADDRESS_DISABLE) || \
                                      ((ADDRESS) == I2C_DUALADDRESS_ENABLE))

#define IS_I2C_GENERAL_CALL(CALL) (((CALL) == I2C_GENERALCALL_DISABLE) || \
                                   ((CALL) == I2C_GENERALCALL_ENABLE))

#define IS_I2C_MEMADD_SIZE(SIZE) (((SIZE) == I2C_MEMADD_SIZE_8BIT) || \
                                  ((SIZE) == I2C_MEMADD_SIZE_16BIT))

#define IS_I2C_NO_STRETCH(STRETCH) (((STRETCH) == I2C_NOSTRETCH_DISABLE) || \
                                    ((STRETCH) == I2C_NOSTRETCH_ENABLE))

#define IS_I2C_OWN_ADDRESS1(ADDRESS1) (((ADDRESS1) & (uint32_t)(0xFFFFFC00)) == 0)

#define IS_I2C_OWN_ADDRESS2(ADDRESS2) (((ADDRESS2) & (uint32_t)(0xFFFFFF01)) == 0)

#define IS_I2C_CLOCK_SPEED(SPEED) (((SPEED) > 0) && ((SPEED) <= I2C_FAST_MODE_MAX_CLK))

#define IS_I2C_DUTY_CYCLE(CYCLE) (((CYCLE) == I2C_DUTYCYCLE_2) || \
                                  ((CYCLE) == I2C_DUTYCYCLE_16_9))

#define I2C_FREQ_RANGE(__PCLK__)                 ((__PCLK__)/1000000)
#define I2C_RISE_TIME(__FREQRANGE__, __SPEED__)  (((__SPEED__) <= I2C_STANDARD_MODE_MAX_CLK) ? ((__FREQRANGE__) + 1) : ((((__FREQRANGE__) * 300) / 1000) + 1))

#define I2C_SPEED_STANDARD(__PCLK__, __SPEED__)            (((((__PCLK__)/((__SPEED__) << 1)) & I2C_CCR_CCR) < 4)? 4:((__PCLK__) / ((__SPEED__) << 1)))
#define I2C_SPEED_FAST(__PCLK__, __SPEED__, __DUTYCYCLE__) (((__DUTYCYCLE__) == I2C_DUTYCYCLE_2)? ((__PCLK__) / ((__SPEED__) * 3)) : (((__PCLK__) / ((__SPEED__) * 25)) | I2C_DUTYCYCLE_16_9))
#define I2C_SPEED(__PCLK__, __SPEED__, __DUTYCYCLE__)      (((__SPEED__) <= 100000)? (I2C_SPEED_STANDARD((__PCLK__), (__SPEED__))) : \
        ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__)) & I2C_CCR_CCR) == 0)? 1 : \
        ((I2C_SPEED_FAST((__PCLK__), (__SPEED__), (__DUTYCYCLE__))) | I2C_CCR_FS))

#define I2C_MEM_ADD_MSB(__ADDRESS__)             ((uint8_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0xFF00))) >> 8)))
#define I2C_MEM_ADD_LSB(__ADDRESS__)             ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))

#define I2C_7BIT_ADD_WRITE(__ADDRESS__)          ((uint8_t)((__ADDRESS__) & (~I2C_OAR1_ADD0)))
#define I2C_7BIT_ADD_READ(__ADDRESS__)           ((uint8_t)((__ADDRESS__) | I2C_OAR1_ADD0))

#define I2C_10BIT_ADDRESS(__ADDRESS__)           ((uint8_t)((uint16_t)((__ADDRESS__) & (uint16_t)(0x00FF))))
#define I2C_10BIT_HEADER_WRITE(__ADDRESS__)      ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF0))))
#define I2C_10BIT_HEADER_READ(__ADDRESS__)       ((uint8_t)((uint16_t)((uint16_t)(((uint16_t)((__ADDRESS__) & (uint16_t)(0x0300))) >> 7) | (uint16_t)(0xF1))))
/**
    @}
*/

/* Private Fonctions ---------------------------------------------------------*/
/** @defgroup I2C_Private_Functions I2C Private Functions
    @{
*/
/* Private functions are defined in stm32f1xx_hal_i2c.c file */
/**
    @}
*/

/**
    @}
*/

/**
    @}
*/

#ifdef __cplusplus
}
#endif


#endif /* __STM32F1xx_HAL_I2C_H */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
